OpenTechnical

OT-2026-000032103

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032103) never changes.

Identity and time

Publication numberOT-2026-000032103 · never reused
Internal UUID01a0ae74-f7a4-7aeb-92fa-dce59d638e00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032103
StatusPUBLIC

Content hashes

Canonical texta2e8c34d719f46257f5de840f030fec92a171d4028239c0caaed6463608dd860
Markdownf11d50fd50b5d773b1b9c2de4e1e0ed9d4c40926d0ed456612ea0e65ba0629d5
PDF
Publication pageefc6630ebb577dabcca418509f163737b91dc8e3b96aaf61bab3ef113dca38ba
Manifest6ebcb35327a1a0eec2a4ce87e4e1e2bd93e52ad32b9623e0dd749d6b6480b0a3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureeDZuwpH1tvpfqmchVQyfq3QL55o2EaA9VUN+klZpnLp5q09EV277EZJTTd2HxnfGWoNYBWlnwxq5FjuDNlQaBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:24.900568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032103
observed efc6630ebb577dabcca418509f163737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.883429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032103/manifest.json
observed 6ebcb35327a1a0eec2a4ce87e4e1e2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.864403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032103/publication.md
observed f11d50fd50b5d773b1b9c2de4e1e0ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.847755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032103/publication.txt
observed a2e8c34d719f46257f5de840f030fec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.